Stickers
If you think that the man makes the car, and the car doesn't make the man,then what better way to encourage people with cool cars to not be dicks, than with this Cockasaurus Dicks/ Dongzilla sticker that asks " Have a nice car?" then says " Don't be a dick is Japanese beneath it.
These stickers are top notch quality and will not fade, flake or crack, and are very very sticky.
Priced at just $7
Size is 3.5 inches. ( it was cold at time of measurement )